\biref operator to calculate the LHS for the RVE bounary conditions More...

#include "users_modules/mofem_um_homogenisation/src/BCs_RVELagrange_Disp.hpp"

Inheritance diagram for BCs_RVELagrange_Disp::OpRVEBCsLhs:

Collaboration diagram for BCs_RVELagrange_Disp::OpRVEBCsLhs:

Public Member Functions
	OpRVEBCsLhs (const string field_name, const string lagrang_field_name, Mat aij, RVEBC_Data &data, bool ho_geometry=false)

PetscErrorCode	doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, DataForcesAndSurcesCore::EntData &row_data, DataForcesAndSurcesCore::EntData &col_data)
	calculate thermal convection term in the lhs of equations

Public Attributes
RVEBC_Data &	dAta

bool	hoGeometry

Mat	Aij

MatrixDouble	K

MatrixDouble	transK

Detailed Description

\biref operator to calculate the LHS for the RVE bounary conditions

Definition at line 101 of file BCs_RVELagrange_Disp.hpp.

Constructor & Destructor Documentation

◆ OpRVEBCsLhs()

BCs_RVELagrange_Disp::OpRVEBCsLhs::OpRVEBCsLhs	(	const string	field_name,
		const string	lagrang_field_name,
		Mat	aij,
		RVEBC_Data &	data,
		bool	ho_geometry = `false`
	)

inline

Definition at line 106 of file BCs_RVELagrange_Disp.hpp.

     :
    FaceElementForcesAndSourcesCore::UserDataOperator(
      lagrang_field_name, field_name, UserDataOperator::OPROWCOL
    ),
    dAta(data),hoGeometry(ho_geometry),Aij(aij) {
      // This will make sure to loop over all entities
      // (e.g. for order=2 it will make doWork to loop 16 time)
      sYmm = false;
    }

Member Function Documentation

◆ doWork()

PetscErrorCode BCs_RVELagrange_Disp::OpRVEBCsLhs::doWork	(	int	row_side,
		int	col_side,
		EntityType	row_type,
		EntityType	col_type,
		DataForcesAndSurcesCore::EntData &	row_data,
		DataForcesAndSurcesCore::EntData &	col_data
	)

inline

calculate thermal convection term in the lhs of equations

C = intS N^T N dS

Definition at line 125 of file BCs_RVELagrange_Disp.hpp.

      {
      PetscFunctionBegin;
 
      try {
        int nb_row = row_data.getIndices().size();
        int nb_col = col_data.getIndices().size();
 
        if(nb_row == 0) PetscFunctionReturn(0);
        if(nb_col == 0) PetscFunctionReturn(0);
 
        
        const FENumeredDofEntity *dof_ptr;
        ierr = getNumeredEntFiniteElementPtr()->getRowDofsByPetscGlobalDofIdx(row_data.getIndices()[0],&dof_ptr); CHKERRQ(ierr);
        int rank = dof_ptr->getNbOfCoeffs();
 
        K.resize(nb_row/rank,nb_col/rank);
        K.clear();
 
        for(unsigned int gg = 0;gg<row_data.getN().size1();gg++) {
          double area;
          if(hoGeometry) {
            area = norm_2(getNormalsAtGaussPt(gg))*0.5;
          }   else {
            area = getArea();
          }
          double val = getGaussPts()(2,gg)*area;
          noalias(K) += val*outer_prod(
            row_data.getN(gg,nb_row/rank),col_data.getN(gg,nb_col/rank)
          );
        }
 
        VectorInt row_indices,col_indices;
        row_indices.resize(nb_row/rank);
        col_indices.resize(nb_col/rank);
 
        for(int rr = 0;rr < rank; rr++) {
          unsigned int nb_rows;
          unsigned int nb_cols;
          int *rows;
          int *cols;
          if(rank > 1) {
 
            ublas::noalias(row_indices) = ublas::vector_slice<VectorInt >
            (row_data.getIndices(), ublas::slice(rr, rank, row_data.getIndices().size()/rank));
 
            ublas::noalias(col_indices) = ublas::vector_slice<VectorInt >
            (col_data.getIndices(), ublas::slice(rr, rank, col_data.getIndices().size()/rank));
 
            nb_rows = row_indices.size();
            nb_cols = col_indices.size();
            rows = &*row_indices.data().begin();
            cols = &*col_indices.data().begin();
 
          } else {
 
            nb_rows = row_data.getIndices().size();
            nb_cols = col_data.getIndices().size();
            rows = &*row_data.getIndices().data().begin();
            cols = &*col_data.getIndices().data().begin();
 
          }
 
          // Matrix C
          ierr = MatSetValues(Aij,nb_rows,rows,nb_cols,cols,&K(0,0),ADD_VALUES); CHKERRQ(ierr);
 
          // Matrix CT
          transK.resize(nb_col/rank,nb_row/rank);
          noalias(transK) = trans(K);
          ierr = MatSetValues(Aij,nb_cols,cols,nb_rows,rows,&transK(0,0),ADD_VALUES); CHKERRQ(ierr);
 
        }
 
      } catch (const std::exception& ex) {
        ostringstream ss;
        ss << "throw in method: " << ex.what() << endl;
        SETERRQ(PETSC_COMM_SELF,1,ss.str().c_str());
      }
 
      PetscFunctionReturn(0);
    }

Member Data Documentation

◆ Aij

Mat BCs_RVELagrange_Disp::OpRVEBCsLhs::Aij

Definition at line 105 of file BCs_RVELagrange_Disp.hpp.

◆ dAta

RVEBC_Data& BCs_RVELagrange_Disp::OpRVEBCsLhs::dAta

Definition at line 103 of file BCs_RVELagrange_Disp.hpp.

◆ hoGeometry

bool BCs_RVELagrange_Disp::OpRVEBCsLhs::hoGeometry

Definition at line 104 of file BCs_RVELagrange_Disp.hpp.

◆ K

MatrixDouble BCs_RVELagrange_Disp::OpRVEBCsLhs::K

Definition at line 119 of file BCs_RVELagrange_Disp.hpp.

◆ transK

MatrixDouble BCs_RVELagrange_Disp::OpRVEBCsLhs::transK